<template>
  <div>
    <h3>妹妹</h3>
    <h3>压岁钱：{{ money }}元</h3>
    <h3>我有{{ book }}本书</h3>
  </div>
</template>

<script setup lang='ts' name="Child2">
import { ref, reactive } from 'vue'

let book = ref(100)
let money = ref(1800)
defineExpose({book,money})

</script>


<style lang='scss' scoped>

</style>